My laptop has failed to power on, it shows a caps lock lighting in an interval

[H_p14]

my laptop only shows a caps lock key lighting in an interval but doesn't turn on display 

[VikramTheGreat]

Hi @H_p14,

Welcome to the HP Support Community.
 

Thank you for posting your query. I will be glad to help you.

The blinking Caps Lock light on your HP laptop is actually a diagnostic code from HP. It indicates a hardware issue preventing the system from starting. Since the display doesn’t turn on, this is likely a POST (Power-On Self-Test) failure.

What the Blinking Pattern Means

• HP laptops use blink codes to signal errors.
• For example: 
  • 1 blink = CPU issue
  • 2 blinks = BIOS corruption
  • 3 blinks = Memory (RAM) failure
  • 5 blinks = System board issue
  • Continuous blinking = General hardware fault

Count the long and short blinks carefully. If it’s 3 long and 2 short, that usually means a memory problem.

Steps to Fix

1. Hard Reset
   • Disconnect the power adapter.
   • Remove battery (if removable).
   • Hold the Power button for 15 seconds.
   • Reconnect the power and try to boot.
      
2. Reseat or Replace RAM
   • If comfortable, open the back panel.
   • Remove and reinsert RAM modules.
   • If you have two sticks, try one at a time.
      
3. BIOS Recovery
   • Plug in AC power.
   • Hold Windows + B, then press Power for 2–3 seconds.
   • Release Power, keep holding Windows + B until the BIOS recovery screen appears.

Check HP Blink Code Guide 👉 HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Support

I hope this helps.

Take care and have an amazing day!
 

Did we resolve the issue? If yes, please consider marking this post as "Accepted Solution" and click "Yes" to give us a helpful vote - your feedback keeps us going!

Regards,

VikramTheGreat